xref: /freebsd/sys/dev/ocs_fc/ocs_ioctl.h (revision 95ee2897)
1 /*-
2  * Copyright (c) 2017 Broadcom. All rights reserved.
3  * The term "Broadcom" refers to Broadcom Limited and/or its subsidiaries.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions are met:
7  *
8  * 1. Redistributions of source code must retain the above copyright notice,
9  *    this list of conditions and the following disclaimer.
10  *
11  * 2. Redistributions in binary form must reproduce the above copyright notice,
12  *    this list of conditions and the following disclaimer in the documentation
13  *    and/or other materials provided with the distribution.
14  *
15  * 3. Neither the name of the copyright holder nor the names of its contributors
16  *    may be used to endorse or promote products derived from this software
17  *    without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
20  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
23  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 /**
33  * @file
34  * Common declartaions for the driver's IOCTL interface
35  */
36 
37 #if !defined(__OCS_IOCTL_H__)
38 #define __OCS_IOCTL_H__
39 
40 /**
41  * @brief OCS test ioctl
42  *
43  * Simple structure for testing the IOCTL interface
44  */
45 
46 typedef struct {
47 	char string[32];		/**< fixed string buffer */
48 } ocs_ioctl_test_t;
49 
50 /**
51  * @brief DRIVER_INFO ioctl structure
52  *
53  * Structure is returned whtn the OCS_IOCTL_CMD_DRIVER_INFO is issued by a user space program.
54  */
55 
56 typedef struct {
57 	uint16_t pci_vendor;		/**< PCI vender ID value (binary) */
58 	uint16_t pci_device;		/**< PCI device ID value (binary) */
59 	char businfo[16];		/**< Bus information (text) */
60 	uint32_t sli_intf;		/**< SLI_INTF register value (binary) */
61 	char desc[64];			/**< description (text) */
62 	char fw_rev[32];		/**< firmware revision (text) */
63         union {
64             struct {
65 	        uint8_t	wwnn[8];		/**< WWNN (binary) */
66 	        uint8_t	wwpn[8];		/**< WWPN (binary) */
67             } fc;
68             struct {
69 	        uint8_t	mac_addr[6];		/**< MAC address (binary) */
70 	        uint8_t	reserved[10];
71             } iscsi;
72         } hw_addr;
73 	char serialnum[32];		/**< board serial number (text) */
74 } ocs_ioctl_driver_info_t;
75 
76 #define ELXU_BSD_MAGIC  0x30584c45
77 
78 /**
79  * @brief IOCTL_CMD_IOCTL_ELXU_MBOX ioctl structure
80  *
81  * Structure used to submit elxsdkutil mailbox requests for firmware download and
82  * dump file retrieveal.
83  */
84 
85 typedef struct {
86     uint32_t    magic;			/**< magic number */
87     uint32_t    size;			/**< size of MBX command */
88     uint8_t	payload[256];		/**< MBX command in/out payload buffer */
89     uint64_t    in_addr;		/**< user space address of input buffer */
90     uint64_t    in_bytes;		/**< length of user space input buffer in bytes */
91     uint64_t    out_addr;		/**< user space address of output buffer */
92     uint64_t    out_bytes;		/**< length of user space output buffer in bytes */
93 } ocs_ioctl_elxu_mbox_t;
94 
95 enum {
96 	ocs_ioctl_scsi_cmd_loop,	/**< Start command loop */
97 	ocs_ioctl_scsi_cmd_loop_wait,	/**< Start command loop and wait for completion */
98 	ocs_ioctl_scsi_cmd_stop,	/**< Stop command loop */
99 	ocs_ioctl_scsi_cmd,		/**< Start one command */
100 	ocs_ioctl_scsi_cmd_wait,	/**< Wait for a command to complete */
101 	ocs_ioctl_scsi_cmd_abort,	/**< Start an abort */
102 	ocs_ioctl_scsi_cmd_tmf,		/**< Start a tmf */
103 	ocs_ioctl_els_send,		/**< Start an ELS */
104 	ocs_ioctl_tgt_logout,		/**< logout of a target */
105 	ocs_ioctl_scsi_cmd_wait_any,	/**< Wait for any command to complete */
106 };
107 
108 enum {
109 	ocs_ioctl_scsi_cmd_rd = (1U << 0),	/**< direction is read */
110 	ocs_ioctl_scsi_cmd_wr = (1U << 1),	/**< direction is write */
111 };
112 
113 /**
114  * @brief OCS_IOCTL_CMD_SCSI_CMD ioctl command structure
115  */
116 
117 typedef enum {
118 	DIF_OP_DISABLE = 0,
119 	DIF_OP_IN_NODIF_OUT_CRC,
120         DIF_OP_IN_CRC_OUT_NODIF,
121         DIF_OP_IN_NODIF_OUT_CHKSUM,
122         DIF_OP_IN_CHKSUM_OUT_NODIF,
123         DIF_OP_IN_CRC_OUT_CRC,
124         DIF_OP_IN_CHKSUM_OUT_CHKSUM,
125         DIF_OP_IN_CRC_OUT_CHKSUM,
126         DIF_OP_IN_CHKSUM_OUT_CRC,
127         DIF_OP_IN_RAW_OUT_RAW,
128 	} dif_op_t;
129 
130 #define DIF_OP_PASS_THRU		DIF_OP_IN_CRC_OUT_CRC
131 #define DIF_OP_STRIP			DIF_OP_IN_CRC_OUT_NODIF
132 #define DIF_OP_INSERT			DIF_OP_IN_NODIF_OUT_CRC
133 
134 typedef struct {
135 	dif_op_t dif_op;
136 	uint32_t
137 		check_ref_tag:1,	/* check reference tag on initiator writes */
138 		check_app_tag:1,	/* check application tag on initiator writes */
139 		check_guard:1,		/* check CRC on initiator writes */
140 		dif_separate:1;		/* use DIF separate transfers */
141 	uint32_t ref_tag;		/* DIF reference tag */
142 	uint16_t app_tag;		/* DIF application tag */
143 	uint32_t blocksize;		/* DIF blocksize */
144 } dif_info_t;
145 
146 typedef struct {
147 	int command;			/**< SCSI command request command */
148 	uint32_t target_idx;		/**< Target device index */
149 	uint32_t dir;			/**< rd or wr */
150 	uint32_t lun;			/**< lun value */
151 	int32_t  tmf;			/**< TMF */
152 	uint8_t cdb[32];		/**< SCSI CDB */
153 	uint32_t cdb_len;		/**< SCSI CDB length in bytes */
154 	uint32_t els_cmd;		/**< ELS command */
155 	uint32_t flags;			/**< command flags */
156 	uint32_t queue_depth;		/**< queue depth for command looping */
157 	uint32_t payload_length;	/**< payload length for command */
158 	uint32_t dif_payload_length;	/**< DIF payload length for command if separate */
159 	uint32_t io_count;		/**< command count for looping */
160 	uint32_t io_timeout;		/**< IO timeout in seconds (0 = no timeout) */
161 
162 	uint32_t directio;		/**< If set, DMA to and from user buffers */
163 
164 	uint32_t first_burst:1;		/**< If true send IO writes with first burst */
165 	uint32_t first_burst_size;	/**< If first burst is enabled, then this size */
166 
167 	int32_t wait_timeout_usec;	/**< Wait timeout (usec) for wait, wait_any */
168 
169 	/* T10-PI */
170 	dif_info_t dif;			/* DIF info */
171 
172 	/* user space buffers */
173 	void *payload;			/**< pointer to user space payload buffer */
174 	void *dif_payload;		/**< pointer to DIF block data if separate */
175 	uint8_t scsi_status;		/**< SCSI status */
176 	uint16_t scsi_status_qualifier; /**< SCSI status qualifier */
177 	void *sense_data;		/**< pointer to sense data buffer */
178 	uint32_t sense_data_length;	/**< length of sense data buffer (call=buffer leng, return=data written) */
179 	int32_t residual;		/**< residual */
180 	uint32_t tag_to_abort;		/**< tag to abort for an abort task request */
181 
182 	/* return value */
183 	int32_t status;			/**< returned status */
184 	uint32_t data_transferred;	/**< updated with data transferred */
185 	uint32_t tag;			/**< returned unique I/O context tag */
186 
187 	/* for scsi loop */
188 	uint32_t submit_count;		/**< count of submitted IOs */
189 	uint32_t complete_count;	/**< count of completed IOs */
190 } ocs_ioctl_scsi_cmd_t;
191 
192 /**
193  * @brief coredump helper function command values
194  */
195 
196 typedef enum {
197 	OCS_ECD_HELPER_CFG_READ8,
198 	OCS_ECD_HELPER_CFG_READ16,
199 	OCS_ECD_HELPER_CFG_READ32,
200 	OCS_ECD_HELPER_CFG_WRITE8,
201 	OCS_ECD_HELPER_CFG_WRITE16,
202 	OCS_ECD_HELPER_CFG_WRITE32,
203 	OCS_ECD_HELPER_BAR_READ8,
204 	OCS_ECD_HELPER_BAR_READ16,
205 	OCS_ECD_HELPER_BAR_READ32,
206 	OCS_ECD_HELPER_BAR_WRITE8,
207 	OCS_ECD_HELPER_BAR_WRITE16,
208 	OCS_ECD_HELPER_BAR_WRITE32,
209 } ocs_ecd_helper_cmd_t;
210 
211 /**
212  * @brief OCS_IOCTL_CMD_ECD_HELPER ioctl structure
213  */
214 
215 typedef struct {
216 	ocs_ecd_helper_cmd_t cmd;	/*<< coredump helper function command */
217 	uint32_t bar;			/*<< BAR value to use */
218 	uint32_t offset;		/*<< offset value to use */
219 	uint32_t data;			/*<< 32 bit data value to write or return read data in */
220 	int status;			/*<< status of helper function request */
221 } ocs_ioctl_ecd_helper_t;
222 
223 /**
224  * @brief OCS_IOCTL_CMD_VPORT ioctl structure
225  */
226 
227 typedef struct {
228 	uint32_t domain_index;		/*<< domain instance index */
229 	uint32_t req_create:1,		/*<< 1 = create vport, zero = remove vport */
230 		 enable_ini:1,		/*<< 1 = enable vport as an initiator */
231 		 enable_tgt:1;		/*<< 1 = enable vport as a target */
232 	uint64_t wwpn;			/*<< wwpn to create or delete */
233 	uint64_t wwnn;			/*<< wwnn to create or delete */
234 	int status;			/*<< status of helper function request */
235 } ocs_ioctl_vport_t;
236 
237 /**
238  * @brief connection info ioctl structure
239  *
240  * Structure is returned when the OCS_IOCTL_CMD_CONNECTION_INFO is issued by a user space program.
241  */
242 typedef struct {
243         uint32_t connection_handle;
244         uint16_t connection_id;
245         uint8_t source_ip_type;
246         uint8_t source_ip[16];
247         uint16_t source_port;
248         uint8_t dest_ip_type;
249         uint8_t dest_ip[16];
250         uint16_t dest_port;
251 } ocs_ioctl_connection_info_t;
252 
253 typedef struct {
254         uint32_t max_connections;
255         uint32_t num_connections;
256         ocs_ioctl_connection_info_t *connections;
257 } ocs_ioctl_connections_t;
258 
259 /**
260  * @brief driver-dump actions
261  */
262 
263 typedef enum {
264 	OCS_IOCTL_DDUMP_GET,
265 	OCS_IOCTL_DDUMP_GET_SAVED,
266 	OCS_IOCTL_DDUMP_CLR_SAVED,
267 } ocs_ddump_action_t;
268 
269 #define OCS_IOCTL_DDUMP_FLAGS_WQES	(1U << 0)
270 #define OCS_IOCTL_DDUMP_FLAGS_CQES	(1U << 1)
271 #define OCS_IOCTL_DDUMP_FLAGS_MQES	(1U << 2)
272 #define OCS_IOCTL_DDUMP_FLAGS_RQES	(1U << 3)
273 #define OCS_IOCTL_DDUMP_FLAGS_EQES	(1U << 4)
274 
275 typedef struct {
276 	ocs_ddump_action_t action;
277 	uint32_t flags;
278 	uint32_t q_entries;
279 } ocs_ioctl_ddump_arg_t;
280 
281 /**
282  * @brief OCS_CTL_CMD_GET_DDUMP ioctl structure
283  */
284 
285 typedef struct {
286 	ocs_ioctl_ddump_arg_t args;	/*<< arguments for ddump */
287 	uint8_t *user_buffer;		/*<< pointer to user space buffer */
288 	uint32_t user_buffer_len;	/*<< length in bytes of user space buffer */
289 	uint32_t bytes_written;		/*<< number of bytes written */
290 } ocs_ioctl_ddump_t;
291 
292 /**
293  * @brief OCS_CTL_CMD_GET_STATUS, OCS_CTL_CMD_GET_CONFIG
294  */
295 
296 typedef struct {
297 	uint8_t *user_buffer;		/*<< pointer to user space buffer */
298 	uint32_t user_buffer_len;	/*<< length in bytes of user space buffer */
299 	uint32_t bytes_written;		/*<< number of bytes written */
300 } ocs_ioctl_mgmt_buffer_t;
301 
302 typedef struct {
303 	uint8_t		*name;			/*<< Input: name of property to retrieve */
304 	uint16_t	name_len;               /*<< Input: Length of name */
305 	uint8_t		*value;			/*<< Output: user space buffer in which to place the response */
306 	uint32_t	value_length;		/*<< Input: size of the user space buffer */
307 	int		status;			/*<< Output: command execution status */
308 } ocs_ioctl_cmd_get_t;
309 
310 typedef struct {
311 	uint8_t		*name;			/*<< Input: name of property to set */
312 	uint16_t	name_len;               /*<< Input: Length of name */
313 	uint8_t		*value;			/*<< Input: user space buffer which contains the new value */
314 	int32_t		result;			/*<< Output: result */
315 } ocs_ioctl_cmd_set_t;
316 
317 typedef struct {
318 	uint8_t		*name;			/*<< Input: name of action to execute */
319 	uint16_t	name_len;               /*<< Input: Length of name */
320 	void		*arg_in;		/*<< Input: pointer to argument in user space */
321 	uint32_t	arg_in_length;		/*<< Input: size of arg_in in bytes */
322 	void		*arg_out;		/*<< Output: pointer to argument from kernel to user */
323 	uint32_t	arg_out_length;		/*<< Input: size of arg_out in bytes */
324 	int32_t		result;			/*<< Output: result */
325 } ocs_ioctl_action_t;
326 
327 #define FC_HEADER_LEN	24
328 typedef struct {
329 	uint8_t		fc_header[FC_HEADER_LEN]; /*<< FC Header to send */
330 	uint8_t		*payload;		/*<< payload */
331 	uint32_t	payload_len;		/*<< payload length (bytes) */
332 	uint8_t		sof;			/*<< SOF value */
333 	uint8_t		eof;			/*<< EOF Value */
334 } ocs_ioctl_send_frame_t;
335 
336 /*
337  * boardtemp (DUMP_TYPE4_WKI_TAG_SAT_TEM) response buffer length.
338  */
339 #define OCS_DUMP_TYPE4_WKI_TAG_SAT_TEM_RESP_LEN (6 * 4)
340 
341 /**
342  * @brief linkcfg strings
343  */
344 #define OCS_CONFIG_LINKCFG_4X10G	"ETH_4x10G"
345 #define OCS_CONFIG_LINKCFG_1X40G	"ETH_1x40G"
346 #define OCS_CONFIG_LINKCFG_2X16G	"FC_2x16G"
347 #define OCS_CONFIG_LINKCFG_4X8G		"FC_4x8G"
348 #define OCS_CONFIG_LINKCFG_4X1G		"FC_4x1G"
349 #define OCS_CONFIG_LINKCFG_2X10G	"ETH_2x10G"
350 #define OCS_CONFIG_LINKCFG_2X10G_2X8G	"ETH_2x10G_FC_2x8G"
351 #define OCS_CONFIG_LINKCFG_UNKNOWN	"UNKNOWN"
352 
353 #define OCS_IOCTL_CMD_BASE		'o'
354 #define OCS_IOCTL_CMD_TEST		_IOWR(OCS_IOCTL_CMD_BASE, 1, ocs_ioctl_test_t)
355 #define OCS_IOCTL_CMD_ELXU_MBOX		_IOWR(OCS_IOCTL_CMD_BASE, 2, ocs_ioctl_elxu_mbox_t)
356 #define OCS_IOCTL_CMD_SCSI_CMD		_IOWR(OCS_IOCTL_CMD_BASE, 3, ocs_ioctl_scsi_cmd_t)
357 #define OCS_IOCTL_CMD_DRIVER_INFO	_IOWR(OCS_IOCTL_CMD_BASE, 4, ocs_ioctl_driver_info_t)
358 #define OCS_IOCTL_CMD_ECD_HELPER	_IOWR(OCS_IOCTL_CMD_BASE, 5, ocs_ioctl_ecd_helper_t)
359 #define OCS_IOCTL_CMD_CONNECTION_INFO   _IOWR(OCS_IOCTL_CMD_BASE, 6, ocs_ioctl_connection_info_t)
360 #define OCS_IOCTL_CMD_VPORT		_IOWR(OCS_IOCTL_CMD_BASE, 7, ocs_ioctl_vport_t)
361 #define OCS_IOCTL_CMD_GET_DDUMP		_IOWR(OCS_IOCTL_CMD_BASE, 8, ocs_ioctl_ddump_t)
362 #define OCS_IOCTL_CMD_MGMT_GET		_IOWR(OCS_IOCTL_CMD_BASE, 9, ocs_ioctl_cmd_get_t)
363 #define OCS_IOCTL_CMD_MGMT_GET_ALL	_IOWR(OCS_IOCTL_CMD_BASE, 10, ocs_ioctl_mgmt_buffer_t)
364 #define OCS_IOCTL_CMD_MGMT_SET		_IOWR(OCS_IOCTL_CMD_BASE, 11, ocs_ioctl_cmd_set_t)
365 #define OCS_IOCTL_CMD_MGMT_LIST		_IOWR(OCS_IOCTL_CMD_BASE, 12, ocs_ioctl_mgmt_buffer_t)
366 #define OCS_IOCTL_CMD_MGMT_EXEC		_IOWR(OCS_IOCTL_CMD_BASE, 13, ocs_ioctl_action_t)
367 #define OCS_IOCTL_CMD_LINK_ONLINE	_IOWR(OCS_IOCTL_CMD_BASE, 16, int)
368 #define OCS_IOCTL_CMD_GEN_DUMP		_IOWR(OCS_IOCTL_CMD_BASE, 17, int)
369 #define OCS_IOCTL_CMD_UNLOAD		_IO(OCS_IOCTL_CMD_BASE, 18)
370 #define OCS_IOCTL_CMD_SEND_FRAME	_IOWR(OCS_IOCTL_CMD_BASE, 19, ocs_ioctl_send_frame_t)
371 
372 #endif
373